Heparin-analogous homo- or copolymers, their preparation and...

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 305/18 (2006.01) A61L 33/08 (2006.01) C07C 33/30 (2006.01) C07C 215/28 (2006.01) C07C 305/10 (2006.01) C07C 307/02 (2006.01) C07D 317/20 (2006.01) C07H 7/04 (2006.01) C07H 9/04 (2006.01) C07H 11/00 (2006.01) C08F 8/36 (2006.01) C08F 8/44 (2006.01) C08F 16/30 (2006.01) C08F 16/38 (2006.01) C08F 28/02 (2006.01) C08F 30/04 (2006.01) C08F 246/00 (2006.01)

Patent

CA 2237480

The invention relates to heparin-analogous homo- or copolymers comprising repeating units of the formula I Image in which R1 is in each case independently hydrogen or the methyl radical, R2 is a linker and A is a sulfated polyol, polyamine or (poly)amine(poly)ol radical which may comprise one or more acetalized or aminalized carbonyl functionalities; and to a process for their preparation. The invention further relates to sulfate group-containing and sulfate group-free monomers as precursors of the homo- or copolymers. Finally, it relates to the use of the heparin-analogous homo- or copolymers for coating articles for medical use and to the products produced in this way.

L'invention porte sur des homopolymères ou des copolymères analogues d'héparine - renfermant des unités récurrentes de formule I Image , où R1 est dans chaque cas indépendamment de l'hydrogène ou un radical méthyle, R2 est un groupe de liaison, et A est un radical polyamine, (poly)amine(poly)ol ou polyol avec sulfatation, pouvant renfermer une ou plusieurs fonctions carbonyle acétalisées ou aminalisées - ainsi que sur une méthode pour les préparer. L'invention porte aussi sur des monomères avec ou sans groupe sulfate, comme précurseurs des homopolymères ou des copolymères. Enfin, elle porte sur l'emploi des homopolymères ou des copolymères analogues d'héparine pour le revêtement d'articles à usage médical, et sur les produits ainsi obtenus.

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